Professor, Stony Brook University, School of Dental Medicine, Stony Brook, New York, USA.

Professor of Periodontology and Director of Laser Education at SUNY-Stony Brook, and Professor of Oral Surgery/Implant Dentistry in Frankfurt/Germany; former Professor of Clinical Dentistry at the Univ. of Rochester; Clinical Professor and Director of Laser Sciences at the NYUCD; Board Member of the World Federation of Laser Dentistry (WFLD).